emacs package
init.elに下記を記載
(require 'package) ;; HTTP (add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/") t) (add-to-list 'package-archives '("melpa-stable" . "http://stable.melpa.org/packages/") t) (add-to-list 'package-archives '("org" . "http://orgmode.org/elpa/") t) (add-to-list 'package-archives '("ELPA" . "http://tromey.com/elpa/") t) (package-initialize)
下記を実行
M-x package-refresh-contents M-x package-list-packages